Records of the Geological Survey of India, Volume 92, Part 2The Survey, 1957 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 246
... Region . He has established in that region four sedimentary facies of iron - formation , sulphide , carbonate , silicate and oxide all deposited as chemical precipitates controlled by oxidation - reduc- tion potential . According to him ...
... Region . He has established in that region four sedimentary facies of iron - formation , sulphide , carbonate , silicate and oxide all deposited as chemical precipitates controlled by oxidation - reduc- tion potential . According to him ...
Page 254
... REGION Only a few geological formations are met with in the region under reference . Since most of the area is covered by soil , details in respect of the basement rocks and the purple shale formation could not be mapped . The only well ...
... REGION Only a few geological formations are met with in the region under reference . Since most of the area is covered by soil , details in respect of the basement rocks and the purple shale formation could not be mapped . The only well ...
Page 259
... region are : ( 1 ) Pyrolusite , ( 2 ) Psilomelane , ( 3 ) Manganite and ( 4 ) Wad . This identification is based on ore - microscopy and X - Ray diffraction analysis . Pyrolusite It is the commonest manganese oxide mineral ( MnO2 ) . It ...
... region are : ( 1 ) Pyrolusite , ( 2 ) Psilomelane , ( 3 ) Manganite and ( 4 ) Wad . This identification is based on ore - microscopy and X - Ray diffraction analysis . Pyrolusite It is the commonest manganese oxide mineral ( MnO2 ) . It ...
Contents
RECORDS | 176 |
EOLOGICAL SURVEY OF INDIA | 183 |
ESTIMATION OF HYPOTHETICAL ION CONCENTRATIONS FROM RESISTIVITY | 286 |
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alluvium aquifers Athgarh Bailadila banded hematite-quartzite barytes basin beds belt Bihar blue dust boreholes clay coal seams colour conglomerates Cuddapah curves Cythereis deposits depth Discorbis downwarping drilling electrical logging electrode Eocene feet felspar ferruginous band foraminifera formation water fossil G.S.I. Type Geol Geological Survey Geologist Gondwana groundwater hematite indicate Inter-trappean iron-ore Jones laminated lateritic Latham lenses lignite lignite body limestones Madhya Pradesh Madras magnetite mainly manganese manganese-ores massive miles mineral negative epeirogeny Neyveli Neyveli Lignite Field occur Ongur Orissa ostracoda Plate present psilomelane Punjab quartz grains quartzites Ratanpur recorded region river rock types sand sandstones sediments seen shales silica sills Singhbhum-Keonjhar-Bonai South Arcot South Arcot district South Karanpura coalfield species specimens steatite structure surface Surv Survey of India synclines Tertiary thickness tion Tomka total dissolved solids Upper Gondwana Vempalle West Bengal zone